Toyota Supra Remote Start Coding & Activation

Upgrade an A90/A91 Toyota GR Supra with OEM-style remote engine start through a remote software activation. No aftermarket control box, wiring splice or additional remote is installed. The work is completed through the diagnostic connection with an ENET cable.

The activated function can start the engine from the original key fob and, where the vehicle configuration, market and active connected-services subscription support it, through Supra Connect. The car remains locked during remote start and the climate system can pre-condition the cabin before a journey.

What you get

• Remote engine start from the original key fob
• Supra Connect support where available for the vehicle and market
• Cabin pre-conditioning for heating or cooling
• Locked vehicle during the remote-start cycle
• Automatic shut-off after the configured period
• Clean software integration with no added module or wiring

Compatibility

Item	Details
Models	Toyota GR Supra A90 / A91 (2020–2025)
Transmission	Manual and automatic, subject to VIN and configuration confirmation
Markets	Worldwide; connected-app functions depend on regional availability
DME / ECU unlock required	No for the remote-start activation itself
Existing tune	May be temporarily erased during the procedure and can normally be re-applied afterward
Equipment needed	ENET cable and a Windows PC or macOS computer

Send the VIN before ordering. We confirm the exact vehicle configuration and explain any market, app or existing-tune limitations before scheduling the session.

Software activation or aftermarket hardware?

Factor	TempaDrive software activation	Typical aftermarket kit
Installation	Remote software session, usually around 15 minutes once connected	Physical installation required
Extra parts	None	Control module and wiring
Key fob	Original factory key	May require an additional or spare key
App integration	Uses supported Supra connected services	Usually a separate app or remote
Appearance	Invisible software integration	Additional hardware remains in the vehicle
Future software work	Can normally be re-applied if a later update overwrites the coding	May depend on the module and installer

How the remote session works

1. Send us the VIN and tell us about any current ECU tune or unlock.
2. We confirm compatibility before the order is finalized.
3. Connect an ENET cable and prepare the car in diagnostic or ignition-on mode with the engine off.
4. Share the computer connection. We complete the coding and activation while you watch.
5. Test the key-fob sequence, available app function and climate behavior.

Important notes

• The procedure may erase an existing ECU calibration, depending on its unlock method. It can normally be unlocked and tuned again without removing remote start.
• On some vehicles, exhaust valves may remain open after activation. They can be managed with an appropriate controller or ECU calibration.
• Connected-app operation requires the appropriate Supra Connect availability, account and subscription. The key-fob function does not guarantee app availability in every market.
• Remote start is subject to safety preconditions such as hood and door status, battery charge, fuel level and stored faults.

Every activation includes a Supra-specific post-activation checklist covering climate behavior, tune re-application order, safety preconditions and common coding combinations. For the full technical explanation and troubleshooting tables, read our Toyota Supra remote-start coding guide.

Ready to activate remote start? Send your VIN for a free compatibility check. We will confirm the exact procedure before any remote work begins.